Patent US-1909-935384

From Inventing aviation
Jump to navigation Jump to search

Motor powers vertically stacked concentric propellers; a toy but patent says it could be more

  • Inventor location: Canton, Stark county, OH (FIPSloc=39151, imputed by HistPat)

Sources


Year filed 1908
Year granted 1909
Office US
Patent number 935384
Inventors William H. Martin
Inventor country US
Applicant person William H. Martin
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Flying-machine
English title Flying-machine
Tech fields fun, whirligig
Filing date 1908-01-03
Full specification filed date
Application number
Grant date 1909-09-28
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number 409232
Patent agent J. W. Bond, Munn & Co.
Assigned to
National tech categories USPC 446/58, USPC 446/60
IPCs IPC A63H29/00, IPC A63H27/00
CPCs CPC A63H27/02, CPC A63H27/30
Family year 1909
First filing? 1
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages 4
Number of diagram pages 2
Number of figures 6
Number of claims 10